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1 ///////////////////////////////////////////////////////////////////////////////
2 // Name: tests/strings/strings.cpp
3 // Purpose: wxString unit test
4 // Author: Vadim Zeitlin, Wlodzimierz ABX Skiba
7 // Copyright: (c) 2004 Vadim Zeitlin, Wlodzimierz Skiba
8 ///////////////////////////////////////////////////////////////////////////////
10 // ----------------------------------------------------------------------------
12 // ----------------------------------------------------------------------------
24 // ----------------------------------------------------------------------------
26 // ----------------------------------------------------------------------------
28 class StringTestCase
: public CppUnit::TestCase
34 CPPUNIT_TEST_SUITE( StringTestCase
);
35 CPPUNIT_TEST( String
);
36 CPPUNIT_TEST( PChar
);
37 CPPUNIT_TEST( Format
);
38 CPPUNIT_TEST( Constructors
);
39 CPPUNIT_TEST( Extraction
);
42 CPPUNIT_TEST( Replace
);
43 CPPUNIT_TEST( Match
);
44 CPPUNIT_TEST( CaseChanges
);
45 CPPUNIT_TEST( Compare
);
46 CPPUNIT_TEST( CompareNoCase
);
47 CPPUNIT_TEST( Contains
);
48 CPPUNIT_TEST( ToLong
);
49 CPPUNIT_TEST( ToULong
);
51 CPPUNIT_TEST( ToLongLong
);
52 CPPUNIT_TEST( ToULongLong
);
53 #endif // wxLongLong_t
54 CPPUNIT_TEST( ToDouble
);
55 CPPUNIT_TEST( WriteBuf
);
56 CPPUNIT_TEST( CStrData
);
57 CPPUNIT_TEST_SUITE_END();
77 #endif // wxLongLong_t
81 void DoCStrData(bool cond
);
83 DECLARE_NO_COPY_CLASS(StringTestCase
)
86 // register in the unnamed registry so that these tests are run by default
87 CPPUNIT_TEST_SUITE_REGISTRATION( StringTestCase
);
89 // also include in it's own registry so that these tests can be run alone
90 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StringTestCase
, "StringTestCase" );
92 StringTestCase::StringTestCase()
96 void StringTestCase::String()
104 for (int i
= 0; i
< 2; ++i
)
108 c
= _T("! How'ya doin'?");
111 c
= _T("Hello world! What's up?");
112 CPPUNIT_ASSERT( c
!= a
);
116 void StringTestCase::PChar()
122 for (int i
= 0; i
< 2; ++i
)
124 wxStrcpy (a
, _T("Hello"));
125 wxStrcpy (b
, _T(" world"));
126 wxStrcpy (c
, _T("! How'ya doin'?"));
129 wxStrcpy (c
, _T("Hello world! What's up?"));
130 CPPUNIT_ASSERT( wxStrcmp (c
, a
) != 0 );
134 void StringTestCase::Format()
137 s1
.Printf(_T("%03d"), 18);
138 CPPUNIT_ASSERT( s1
== wxString::Format(_T("%03d"), 18) );
139 s2
.Printf(_T("Number 18: %s\n"), s1
.c_str());
140 CPPUNIT_ASSERT( s2
== wxString::Format(_T("Number 18: %s\n"), s1
.c_str()) );
142 static const size_t lengths
[] = { 1, 512, 1024, 1025, 2048, 4096, 4097 };
143 for ( size_t n
= 0; n
< WXSIZEOF(lengths
); n
++ )
145 const size_t len
= lengths
[n
];
147 wxString
s(_T('Z'), len
);
148 CPPUNIT_ASSERT_EQUAL( len
, wxString::Format(_T("%s"), s
.c_str()).length());
152 void StringTestCase::Constructors()
154 #define TEST_CTOR(args, res) \
157 CPPUNIT_ASSERT( s == res ); \
160 TEST_CTOR((_T('Z'), 4), _T("ZZZZ"));
161 TEST_CTOR((_T("Hello"), 4), _T("Hell"));
162 TEST_CTOR((_T("Hello"), 5), _T("Hello"));
164 static const wxChar
*s
= _T("?really!");
165 const wxChar
*start
= wxStrchr(s
, _T('r'));
166 const wxChar
*end
= wxStrchr(s
, _T('!'));
167 TEST_CTOR((start
, end
), _T("really"));
171 void StringTestCase::Extraction()
173 wxString
s(_T("Hello, world!"));
175 CPPUNIT_ASSERT( wxStrcmp( s
.c_str() , _T("Hello, world!") ) == 0 );
176 CPPUNIT_ASSERT( wxStrcmp( s
.Left(5).c_str() , _T("Hello") ) == 0 );
177 CPPUNIT_ASSERT( wxStrcmp( s
.Right(6).c_str() , _T("world!") ) == 0 );
178 CPPUNIT_ASSERT( wxStrcmp( s(3, 5).c_str() , _T("lo, w") ) == 0 );
179 CPPUNIT_ASSERT( wxStrcmp( s
.Mid(3).c_str() , _T("lo, world!") ) == 0 );
180 CPPUNIT_ASSERT( wxStrcmp( s
.substr(3, 5).c_str() , _T("lo, w") ) == 0 );
181 CPPUNIT_ASSERT( wxStrcmp( s
.substr(3).c_str() , _T("lo, world!") ) == 0 );
185 #define TEST_STARTS_WITH(prefix, correct_rest, result) \
186 CPPUNIT_ASSERT_EQUAL(result, s.StartsWith(prefix, &rest)); \
188 CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
190 TEST_STARTS_WITH( _T("Hello"), _T(", world!"), true );
191 TEST_STARTS_WITH( _T("Hello, "), _T("world!"), true );
192 TEST_STARTS_WITH( _T("Hello, world!"), _T(""), true );
193 TEST_STARTS_WITH( _T("Hello, world!!!"), _T(""), false );
194 TEST_STARTS_WITH( _T(""), _T("Hello, world!"), true );
195 TEST_STARTS_WITH( _T("Goodbye"), _T(""), false );
196 TEST_STARTS_WITH( _T("Hi"), _T(""), false );
198 #undef TEST_STARTS_WITH
200 #define TEST_ENDS_WITH(suffix, correct_rest, result) \
201 CPPUNIT_ASSERT_EQUAL(result, s.EndsWith(suffix, &rest)); \
203 CPPUNIT_ASSERT_EQUAL(wxString(correct_rest), rest)
205 TEST_ENDS_WITH( _T(""), _T("Hello, world!"), true );
206 TEST_ENDS_WITH( _T("!"), _T("Hello, world"), true );
207 TEST_ENDS_WITH( _T(", world!"), _T("Hello"), true );
208 TEST_ENDS_WITH( _T("ello, world!"), _T("H"), true );
209 TEST_ENDS_WITH( _T("Hello, world!"), _T(""), true );
210 TEST_ENDS_WITH( _T("very long string"), _T(""), false );
211 TEST_ENDS_WITH( _T("?"), _T(""), false );
212 TEST_ENDS_WITH( _T("Hello, world"), _T(""), false );
213 TEST_ENDS_WITH( _T("Gello, world!"), _T(""), false );
215 #undef TEST_ENDS_WITH
218 void StringTestCase::Trim()
220 #define TEST_TRIM( str , dir , result ) \
221 CPPUNIT_ASSERT( wxString(str).Trim(dir) == result )
223 TEST_TRIM( _T(" Test "), true, _T(" Test") );
224 TEST_TRIM( _T(" "), true, _T("") );
225 TEST_TRIM( _T(" "), true, _T("") );
226 TEST_TRIM( _T(""), true, _T("") );
228 TEST_TRIM( _T(" Test "), false, _T("Test ") );
229 TEST_TRIM( _T(" "), false, _T("") );
230 TEST_TRIM( _T(" "), false, _T("") );
231 TEST_TRIM( _T(""), false, _T("") );
236 void StringTestCase::Find()
238 #define TEST_FIND( str , start , result ) \
239 CPPUNIT_ASSERT( wxString(str).find(_T("ell"), start) == result );
241 TEST_FIND( _T("Well, hello world"), 0, 1 );
242 TEST_FIND( _T("Well, hello world"), 6, 7 );
243 TEST_FIND( _T("Well, hello world"), 9, wxString::npos
);
248 void StringTestCase::Replace()
250 #define TEST_REPLACE( original , pos , len , replacement , result ) \
252 wxString s = original; \
253 s.replace( pos , len , replacement ); \
254 CPPUNIT_ASSERT( s == result ); \
257 TEST_REPLACE( _T("012-AWORD-XYZ"), 4, 5, _T("BWORD"), _T("012-BWORD-XYZ") );
258 TEST_REPLACE( _T("increase"), 0, 2, _T("de"), _T("decrease") );
259 TEST_REPLACE( _T("wxWindow"), 8, 0, _T("s"), _T("wxWindows") );
260 TEST_REPLACE( _T("foobar"), 3, 0, _T("-"), _T("foo-bar") );
261 TEST_REPLACE( _T("barfoo"), 0, 6, _T("foobar"), _T("foobar") );
264 #define TEST_NULLCHARREPLACE( o , olen, pos , len , replacement , r, rlen ) \
266 wxString s(o,olen); \
267 s.replace( pos , len , replacement ); \
268 CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
271 TEST_NULLCHARREPLACE( _T("null\0char"), 9, 5, 1, _T("d"),
272 _T("null\0dhar"), 9 );
274 #define TEST_WXREPLACE( o , olen, olds, news, all, r, rlen ) \
276 wxString s(o,olen); \
277 s.Replace( olds, news, all ); \
278 CPPUNIT_ASSERT( s == wxString(r,rlen) ); \
281 TEST_WXREPLACE( _T("null\0char"), 9, _T("c"), _T("de"), true,
282 _T("null\0dehar"), 10 );
284 TEST_WXREPLACE( _T("null\0dehar"), 10, _T("de"), _T("c"), true,
285 _T("null\0char"), 9 );
287 #undef TEST_WXREPLACE
288 #undef TEST_NULLCHARREPLACE
292 void StringTestCase::Match()
294 #define TEST_MATCH( s1 , s2 , result ) \
295 CPPUNIT_ASSERT( wxString(s1).Matches(s2) == result )
297 TEST_MATCH( _T("foobar"), _T("foo*"), true );
298 TEST_MATCH( _T("foobar"), _T("*oo*"), true );
299 TEST_MATCH( _T("foobar"), _T("*bar"), true );
300 TEST_MATCH( _T("foobar"), _T("??????"), true );
301 TEST_MATCH( _T("foobar"), _T("f??b*"), true );
302 TEST_MATCH( _T("foobar"), _T("f?b*"), false );
303 TEST_MATCH( _T("foobar"), _T("*goo*"), false );
304 TEST_MATCH( _T("foobar"), _T("*foo"), false );
305 TEST_MATCH( _T("foobarfoo"), _T("*foo"), true );
306 TEST_MATCH( _T(""), _T("*"), true );
307 TEST_MATCH( _T(""), _T("?"), false );
313 void StringTestCase::CaseChanges()
315 wxString
s1(_T("Hello!"));
324 CPPUNIT_ASSERT( s1u
== _T("HELLO!") );
325 CPPUNIT_ASSERT( s1l
== _T("hello!") );
326 CPPUNIT_ASSERT( s2u
== wxEmptyString
);
327 CPPUNIT_ASSERT( s2l
== wxEmptyString
);
330 wxLocale
locRu(wxLANGUAGE_RUSSIAN
, 0 /* flags */);
333 // try upper casing 8bit strings
334 const wchar_t capital_ya
[] = { 0x42f, 0 },
335 small_ya
[] = { 0x44f, 0 };
337 wxString
sUpper(wxConvLibc
.cWC2MB(capital_ya
)),
338 sLower(wxConvLibc
.cWC2MB(small_ya
));
340 CPPUNIT_ASSERT( sUpper
.Lower() == sLower
);
341 CPPUNIT_ASSERT( sLower
.Upper() == sUpper
);
343 #endif // !wxUSE_UNICODE
346 void StringTestCase::Compare()
348 wxString s1
= wxT("AHH");
349 wxString eq
= wxT("AHH");
350 wxString neq1
= wxT("HAH");
351 wxString neq2
= wxT("AH");
352 wxString neq3
= wxT("AHHH");
353 wxString neq4
= wxT("AhH");
355 CPPUNIT_ASSERT( s1
== eq
);
356 CPPUNIT_ASSERT( s1
!= neq1
);
357 CPPUNIT_ASSERT( s1
!= neq2
);
358 CPPUNIT_ASSERT( s1
!= neq3
);
359 CPPUNIT_ASSERT( s1
!= neq4
);
361 CPPUNIT_ASSERT( s1
== wxT("AHH") );
362 CPPUNIT_ASSERT( s1
!= wxT("no") );
363 CPPUNIT_ASSERT( s1
< wxT("AZ") );
364 CPPUNIT_ASSERT( s1
<= wxT("AZ") );
365 CPPUNIT_ASSERT( s1
<= wxT("AHH") );
366 CPPUNIT_ASSERT( s1
> wxT("AA") );
367 CPPUNIT_ASSERT( s1
>= wxT("AA") );
368 CPPUNIT_ASSERT( s1
>= wxT("AHH") );
370 // test comparison with C strings in Unicode build (must work in ANSI as
372 CPPUNIT_ASSERT( s1
== "AHH" );
373 CPPUNIT_ASSERT( s1
!= "no" );
374 CPPUNIT_ASSERT( s1
< "AZ" );
375 CPPUNIT_ASSERT( s1
<= "AZ" );
376 CPPUNIT_ASSERT( s1
<= "AHH" );
377 CPPUNIT_ASSERT( s1
> "AA" );
378 CPPUNIT_ASSERT( s1
>= "AA" );
379 CPPUNIT_ASSERT( s1
>= "AHH" );
381 // wxString _s1 = wxT("A\0HH");
382 // wxString _eq = wxT("A\0HH");
383 // wxString _neq1 = wxT("H\0AH");
384 // wxString _neq2 = wxT("A\0H");
385 // wxString _neq3 = wxT("A\0HHH");
386 // wxString _neq4 = wxT("A\0hH");
389 neq1
.insert(1,1,'\0');
390 neq2
.insert(1,1,'\0');
391 neq3
.insert(1,1,'\0');
392 neq4
.insert(1,1,'\0');
394 CPPUNIT_ASSERT( s1
== eq
);
395 CPPUNIT_ASSERT( s1
!= neq1
);
396 CPPUNIT_ASSERT( s1
!= neq2
);
397 CPPUNIT_ASSERT( s1
!= neq3
);
398 CPPUNIT_ASSERT( s1
!= neq4
);
401 void StringTestCase::CompareNoCase()
403 wxString s1
= wxT("AHH");
404 wxString eq
= wxT("AHH");
405 wxString eq2
= wxT("AhH");
406 wxString eq3
= wxT("ahh");
407 wxString neq
= wxT("HAH");
408 wxString neq2
= wxT("AH");
409 wxString neq3
= wxT("AHHH");
411 #define CPPUNIT_CNCEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) == 0)
412 #define CPPUNIT_CNCNEQ_ASSERT(s1, s2) CPPUNIT_ASSERT( s1.CmpNoCase(s2) != 0)
414 CPPUNIT_CNCEQ_ASSERT( s1
, eq
);
415 CPPUNIT_CNCEQ_ASSERT( s1
, eq2
);
416 CPPUNIT_CNCEQ_ASSERT( s1
, eq3
);
418 CPPUNIT_CNCNEQ_ASSERT( s1
, neq
);
419 CPPUNIT_CNCNEQ_ASSERT( s1
, neq2
);
420 CPPUNIT_CNCNEQ_ASSERT( s1
, neq3
);
423 // wxString _s1 = wxT("A\0HH");
424 // wxString _eq = wxT("A\0HH");
425 // wxString _eq2 = wxT("A\0hH");
426 // wxString _eq3 = wxT("a\0hh");
427 // wxString _neq = wxT("H\0AH");
428 // wxString _neq2 = wxT("A\0H");
429 // wxString _neq3 = wxT("A\0HHH");
433 eq2
.insert(1,1,'\0');
434 eq3
.insert(1,1,'\0');
435 neq
.insert(1,1,'\0');
436 neq2
.insert(1,1,'\0');
437 neq3
.insert(1,1,'\0');
439 CPPUNIT_CNCEQ_ASSERT( s1
, eq
);
440 CPPUNIT_CNCEQ_ASSERT( s1
, eq2
);
441 CPPUNIT_CNCEQ_ASSERT( s1
, eq3
);
443 CPPUNIT_CNCNEQ_ASSERT( s1
, neq
);
444 CPPUNIT_CNCNEQ_ASSERT( s1
, neq2
);
445 CPPUNIT_CNCNEQ_ASSERT( s1
, neq3
);
448 void StringTestCase::Contains()
450 static const struct ContainsData
453 const wxChar
*needle
;
457 { _T(""), _T(""), true },
458 { _T(""), _T("foo"), false },
459 { _T("foo"), _T(""), true },
460 { _T("foo"), _T("f"), true },
461 { _T("foo"), _T("o"), true },
462 { _T("foo"), _T("oo"), true },
463 { _T("foo"), _T("ooo"), false },
464 { _T("foo"), _T("oooo"), false },
465 { _T("foo"), _T("fooo"), false },
468 for ( size_t n
= 0; n
< WXSIZEOF(containsData
); n
++ )
470 const ContainsData
& cd
= containsData
[n
];
471 CPPUNIT_ASSERT_EQUAL( cd
.contains
, wxString(cd
.hay
).Contains(cd
.needle
) );
475 // flags used in ToLongData.flags
480 Number_Unsigned
= 2, // if not specified, works for signed conversion
481 Number_Signed
= 4, // if not specified, works for unsigned
482 Number_LongLong
= 8, // only for long long tests
483 Number_Long
= 16, // only for long tests
486 static const struct ToLongData
493 #endif // wxLongLong_t
496 long LValue() const { return value
; }
497 unsigned long ULValue() const { return value
; }
499 wxLongLong_t
LLValue() const { return value
; }
500 wxULongLong_t
ULLValue() const { return (wxULongLong_t
)value
; }
501 #endif // wxLongLong_t
503 bool IsOk() const { return !(flags
& Number_Invalid
); }
506 { _T("1"), 1, Number_Ok
},
507 { _T("0"), 0, Number_Ok
},
508 { _T("a"), 0, Number_Invalid
},
509 { _T("12345"), 12345, Number_Ok
},
510 { _T("--1"), 0, Number_Invalid
},
512 { _T("-1"), -1, Number_Signed
| Number_Long
},
513 // this is surprizing but consistent with strtoul() behaviour
514 { _T("-1"), ULONG_MAX
, Number_Unsigned
| Number_Long
},
516 // this must overflow, even with 64 bit long
517 { _T("922337203685477580711"), 0, Number_Invalid
},
520 { _T("2147483648"), wxLL(2147483648), Number_LongLong
},
521 { _T("-2147483648"), wxLL(-2147483648), Number_LongLong
| Number_Signed
},
522 { _T("9223372036854775808"), wxULL(9223372036854775808), Number_LongLong
|
524 #endif // wxLongLong_t
527 void StringTestCase::ToLong()
530 for ( size_t n
= 0; n
< WXSIZEOF(longData
); n
++ )
532 const ToLongData
& ld
= longData
[n
];
534 if ( ld
.flags
& (Number_LongLong
| Number_Unsigned
) )
537 CPPUNIT_ASSERT_EQUAL( ld
.IsOk(), wxString(ld
.str
).ToLong(&l
) );
539 CPPUNIT_ASSERT_EQUAL( ld
.LValue(), l
);
543 void StringTestCase::ToULong()
546 for ( size_t n
= 0; n
< WXSIZEOF(longData
); n
++ )
548 const ToLongData
& ld
= longData
[n
];
550 if ( ld
.flags
& (Number_LongLong
| Number_Signed
) )
553 CPPUNIT_ASSERT_EQUAL( ld
.IsOk(), wxString(ld
.str
).ToULong(&ul
) );
555 CPPUNIT_ASSERT_EQUAL( ld
.ULValue(), ul
);
561 void StringTestCase::ToLongLong()
564 for ( size_t n
= 0; n
< WXSIZEOF(longData
); n
++ )
566 const ToLongData
& ld
= longData
[n
];
568 if ( ld
.flags
& (Number_Long
| Number_Unsigned
) )
571 CPPUNIT_ASSERT_EQUAL( ld
.IsOk(), wxString(ld
.str
).ToLongLong(&l
) );
573 CPPUNIT_ASSERT_EQUAL( ld
.LLValue(), l
);
577 void StringTestCase::ToULongLong()
580 for ( size_t n
= 0; n
< WXSIZEOF(longData
); n
++ )
582 const ToLongData
& ld
= longData
[n
];
584 if ( ld
.flags
& (Number_Long
| Number_Signed
) )
587 CPPUNIT_ASSERT_EQUAL( ld
.IsOk(), wxString(ld
.str
).ToULongLong(&ul
) );
589 CPPUNIT_ASSERT_EQUAL( ld
.ULLValue(), ul
);
593 #endif // wxLongLong_t
595 void StringTestCase::ToDouble()
598 static const struct ToDoubleData
605 { _T("1"), 1, true },
606 { _T("1.23"), 1.23, true },
607 { _T(".1"), .1, true },
608 { _T("1."), 1, true },
609 { _T("1.."), 0, false },
610 { _T("0"), 0, true },
611 { _T("a"), 0, false },
612 { _T("12345"), 12345, true },
613 { _T("-1"), -1, true },
614 { _T("--1"), 0, false },
617 // we need to use decimal point, not comma or whatever is its value for the
619 wxSetlocale(LC_ALL
, _T("C"));
622 for ( n
= 0; n
< WXSIZEOF(doubleData
); n
++ )
624 const ToDoubleData
& ld
= doubleData
[n
];
625 CPPUNIT_ASSERT_EQUAL( ld
.ok
, wxString(ld
.str
).ToDouble(&d
) );
627 CPPUNIT_ASSERT_EQUAL( ld
.value
, d
);
631 void StringTestCase::WriteBuf()
634 wxStrcpy(wxStringBuffer(s
, 10), _T("foo"));
636 CPPUNIT_ASSERT(s
[0u] == _T('f') );
637 CPPUNIT_ASSERT(_T('f') == s
[0u]);
638 CPPUNIT_ASSERT(_T('o') == s
[1]);
639 CPPUNIT_ASSERT(_T('o') == s
[2]);
640 CPPUNIT_ASSERT_EQUAL((size_t)3, s
.length());
644 wxStringBufferLength
buf(s
, 10);
645 wxStrcpy(buf
, _T("barrbaz"));
649 CPPUNIT_ASSERT(_T('b') == s
[0u]);
650 CPPUNIT_ASSERT(_T('a') == s
[1]);
651 CPPUNIT_ASSERT(_T('r') == s
[2]);
652 CPPUNIT_ASSERT(_T('r') == s
[3]);
653 CPPUNIT_ASSERT_EQUAL((size_t)4, s
.length());
655 CPPUNIT_ASSERT_EQUAL( 0, wxStrcmp(_T("barr"), s
) );
660 void StringTestCase::CStrData()
666 template<typename T
> bool CheckStr(const wxString
& expected
, T s
)
668 return expected
== wxString(s
);
671 void StringTestCase::DoCStrData(bool cond
)
673 // test compilation of wxCStrData when used with operator?: (the asserts
674 // are not very important, we're testing if the code compiles at all):
677 const char *mbStr
= "foo";
678 const wchar_t *wcStr
= L
"foo";
680 // FIXME-UTF8: when wxCStrData can handle both conversions, this should
681 // be changed to always test all versions, both MB and WC
683 CPPUNIT_ASSERT( CheckStr(s
, (cond
? s
.c_str() : wcStr
)) );
684 CPPUNIT_ASSERT( CheckStr(s
, (cond
? s
.c_str() : L
"bar")) );
685 CPPUNIT_ASSERT( CheckStr(s
, (cond
? wcStr
: s
.c_str())) );
686 CPPUNIT_ASSERT( CheckStr(s
, (cond
? L
"bar" : s
.c_str())) );
688 CPPUNIT_ASSERT( CheckStr(s
, (cond
? s
.c_str() : mbStr
)) );
689 CPPUNIT_ASSERT( CheckStr(s
, (cond
? s
.c_str() : "foo")) );
690 CPPUNIT_ASSERT( CheckStr(s
, (cond
? mbStr
: s
.c_str())) );
691 CPPUNIT_ASSERT( CheckStr(s
, (cond
? "foo" : s
.c_str())) );